What happened here?

https://ibb.co/JpGyTwH

This is a Rhodium connector. Pulled the plug out to rewire and this looks like brown dust in one side of the plug. Rust?

tom201506-05-2021 7:45pm

tom2015 OP Details Discussions Posts This discussion Message User 89 posts 06-05-2021 at 11:12pm Copy Comment URL Report Comment Edit Delete The Viborg connectors are Rhodium over copper. (Cerious Matrix). It probably is the copper, strange how it was able to pulverize like that from underneath the Rhodium coating.
tom2015 OP Details Discussions Posts This discussion Message User 89 posts 06-06-2021 at 11:03pm Copy Comment URL Report Comment Edit Delete It was connected to the amp.